雅思阅读

📖 Reading Passage

The concept of 'cognitive load' refers to the total amount of mental effort being used in the working memory. In educational contexts, it is often divided into three types: intrinsic, extraneous, and germane. Intrinsic load is associated with the inherent difficulty of the material itself, which cannot be altered by instructional design. Extraneous load, however, is generated by the way information is presented to learners, and can be minimized through well-structured teaching materials. Germane load is the mental effort devoted to processing and understanding the content, which is beneficial for learning. Research suggests that instructional designers should aim to reduce extraneous load while fostering germane load, as an overloaded working memory can impede the acquisition of new knowledge. This framework has practical implications for multimedia learning, where the integration of visual and auditory information must be carefully managed to avoid overwhelming the learner.